Any feedback?
Please rate this page
(literature.php)
(0/150)

BRENDA support

Literature summary for 1.1.9.1 extracted from

  • Geerlof, A.; Rakels, J.J.L.; Straathof, A.J.J.; Heijnen, J.J.; Jongejan, J.A.; Duine, J.A.
    Description of the kinetic mechanism and the enantioselectivity of quinohaemoprotein ethanol dehydrogenase from Comamonas testosteroni in the oxidation of alcohols and aldehydes (1994), Eur. J. Biochem., 226, 537-546.
    View publication on PubMed

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
4
-
(R)-solketal pH 7.5, presence of CaCl2 Comamonas testosteroni
81
-
(R)-solketal aldehyde pH 7.5, presence of CaCl2 Comamonas testosteroni
182
-
(S)-solketal aldehyde pH 7.5, presence of CaCl2 Comamonas testosteroni
197
-
Ethanal pH 7.5, presence of CaCl2 Comamonas testosteroni
211
-
ethanol pH 7.5, presence of CaCl2 Comamonas testosteroni
302
-
(R)-3-bromo-2-methyl-1-propanol pH 7.5, presence of CaCl2 Comamonas testosteroni

Organism

Organism UniProt Comment Textmining
Comamonas testosteroni
-
-
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
(R)-3-bromo-2-methyl-1-propanol + ferricyanide
-
Comamonas testosteroni (R)-3-bromo-2-methyl-propanal + ferrocyanide
-
r
(R)-solketal + 2 ferricyanide (R)-enantiomer is prefered, enantiomeric ratio is 30 Comamonas testosteroni (R)-solketal aldehyde + 2 ferrocyanide + 2 H+
-
r
(R)-solketal aldehyde + ferrocyanide
-
Comamonas testosteroni (R)-solketal + ferricyanide
-
r
(R)-solketal aldehyde + ferrocyanide (R)-enantiomer is prefered, enantiomeric ratio is 2.8 for initial rate measurement Comamonas testosteroni (R)-solketal + ferricyanide
-
r
(S)-solketal + 2 ferricyanide the second step in (S)-solketal conversion is much faster than the first one and that opposite enantiomeric preferences exist for the alcohol and the aldehyde substrates. (R)-enantiomer is prefered, enantiomeric ratio is 30 for initial rate measurement, 117 for progress curve analysis Comamonas testosteroni (S)-solketal aldehyde + 2 ferrocyanide + 2 H+
-
r
ethanal + ferrocyanide
-
Comamonas testosteroni ethanol + ferricyanide
-
r
ethanol + ferricyanide
-
Comamonas testosteroni ethanal + ferrocyanide
-
r

Turnover Number [1/s]

Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
0.18
-
(S)-solketal pH 7.5, presence of CaCl2 Comamonas testosteroni
2.12
-
(R)-solketal pH 7.5, presence of CaCl2 Comamonas testosteroni
8.3
-
(R)-solketal aldehyde pH 7.5, presence of CaCl2 Comamonas testosteroni
17.1
-
(S)-solketal aldehyde pH 7.5, presence of CaCl2 Comamonas testosteroni
17.9
-
ethanol pH 7.5, presence of CaCl2 Comamonas testosteroni
19.9
-
Ethanal pH 7.5, presence of CaCl2 Comamonas testosteroni
20.3
-
(R)-3-bromo-2-methyl-1-propanol pH 7.5, presence of CaCl2 Comamonas testosteroni

kcat/KM [mM/s]

kcat/KM Value [1/mMs-1] kcat/KM Value Maximum [1/mMs-1] Substrate Comment Organism Structure
67
-
(R)-3-bromo-2-methyl-1-propanol pH 7.5, presence of CaCl2 Comamonas testosteroni
85
-
ethanol pH 7.5, presence of CaCl2 Comamonas testosteroni
94
-
(S)-solketal aldehyde pH 7.5, presence of CaCl2 Comamonas testosteroni
101
-
Ethanal pH 7.5, presence of CaCl2 Comamonas testosteroni
102
-
(R)-solketal aldehyde pH 7.5, presence of CaCl2 Comamonas testosteroni
517
-
(R)-solketal pH 7.5, presence of CaCl2 Comamonas testosteroni